252334421 has 4 divisors (see below), whose sum is σ = 265615200. Its totient is φ = 239053644.

The previous prime is 252334373. The next prime is 252334429. The reversal of 252334421 is 124433252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 252334421 - 2¹⁴ = 252318037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252334429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6640361 + ... + 6640398.

It is an arithmetic number, because the mean of its divisors is an integer number (66403800).

Almost surely, 2^252334421 is an apocalyptic number.

It is an amenable number.

252334421 is a deficient number, since it is larger than the sum of its proper divisors (13280779).

252334421 is a wasteful number, since it uses less digits than its factorization.

252334421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13280778.

The product of its digits is 5760, while the sum is 26.

The square root of 252334421 is about 15885.0376455330. The cubic root of 252334421 is about 631.9152441020.

Adding to 252334421 its reverse (124433252), we get a palindrome (376767673).

The spelling of 252334421 in words is "two hundred fifty-two million, three hundred thirty-four thousand, four hundred twenty-one".